CN101815168A - Imaging apparatus, and variable speed imaging method - Google Patents
Imaging apparatus, and variable speed imaging method Download PDFInfo
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- CN101815168A CN101815168A CN200910258444A CN200910258444A CN101815168A CN 101815168 A CN101815168 A CN 101815168A CN 200910258444 A CN200910258444 A CN 200910258444A CN 200910258444 A CN200910258444 A CN 200910258444A CN 101815168 A CN101815168 A CN 101815168A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
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- Television Signal Processing For Recording (AREA)
Abstract
The invention provides an imaging apparatus and a variable speed imaging method. In the imaging apparatus, a continuous shooting speed change controlling section (3) generates an instruction to change a continuous shooting speed (in other words, a recording frame rate) to, for example, 30 fps, 150 fps, or 300 fps. When the continuous shooting speed is changed by the continuous shooting speed change controlling section (3), based on this continuous shooting speed, a frame thinning setting section (4) sets, for example, from which image and by what thinning rate images buffered by a frame buffer (2) are extracted. Then, in accordance with frame thinning information set by the frame thinning setting section (4), a frame thinning processing section (5) extracts, from among the images stored in the frame buffer (2), images traced back a predetermined amount of time at a predetermined acquisition interval.
Description
Technical field
The present invention relates to filming apparatus and variable speed imaging method.
Background technology
In the past, the technology (for example, TOHKEMY 2002-320198 communique) of known frame per second when having dynamic change dynamic image to take.In this prior art, for example, in the occasion that can dynamically change according to 30fps (frame per second (frame per second)) and 300fps, according to 30fps to when capturing element is taken (record) according to the frame that 300fps obtains, carry out the interval according to 1/10th pairs of frame numbers and extract processing, thereby encode the formation file.By user's operation, when in according to the shooting of 300fps, changing frame per second,, form file to carrying out encoding process from whole frame that capturing element obtains according to 300fps.On the other hand, the frame per second during owing to dynamic image regeneration is fixed on 30fps, and therefore the part of taking according to 300fps is regenerated by slow motion.Such high-speed capture when taking in the key moment of for example such reference object of physical culture player or wild animal being moved rapidly etc., can obtain special effect.
But, in the dynamic image of described prior art is taken, become the shooting of 300fps in shooting, so that the occasion that the user took in the moment of decision from 30fps, the record of actual frame also is in the moment of the operation of the change indication of carrying out the user, becomes 300fps from 30fps.Like this, should be the user in the operation moment of the moment of decision shooting, become 300fps from 30fps, then have following problem, that is, and before user's operation, move rapidly and produce the occasion of the moment of decision at reference object, or under the slow situation of the reaction of user operation, still take according to 30pfs at the moment of decision, then can't obtain the effect of high-speed capture.
Summary of the invention
Invention 12 relates to a kind of variable speed imaging method, it is characterized in that, comprising: the step of reference object being taken in turn with the frame per second of regulation; The step that keeps described a plurality of frames of taking in turn in turn; Corresponding to user operation, specify the step of the frame per second when taking out the described frame that has kept; With the interval extraction yield based on the frame per second of described appointment, the step of taking out the described frame that has kept in turn; The described frame that takes out is in turn carried out the dynamic image file processing, and with the step of its storage; With when operating the change of specifying frame per second corresponding to the user,, be suitable for step based on the interval extraction yield of the frame per second that has changed from tracing back to the moment frame before of specifying change.
According to the present invention, if operate the change of specifying frame per second corresponding to the user, because from tracing back to the moment frame before of specifying change, be suitable for interval extraction yield based on the frame per second that has changed, therefore obtain following advantage, that is, move rapidly and produce the occasion of the moment of decision at reference object, even or under the slow situation of the reaction of user operation, still can carry out high-speed capture at the moment that determines really.
Description of drawings
Fig. 1 is the block diagram of the structure of the filming apparatus (digital camera) of expression embodiments of the present invention;
Fig. 2 is the overview diagram of the structure of the frame buffer of the filming apparatus of expression present embodiment;
Fig. 3 extracts the overview diagram of the structure of information for the frame period of the filming apparatus of expression present embodiment;
Fig. 4 is the flow chart of work that is used to illustrate the filming apparatus of present embodiment;
Fig. 5 is the flow chart of work that is used to illustrate the filming apparatus of present embodiment;
Fig. 6 is the overview diagram of the 1st switch mode of the frame per second of expression present embodiment;
Fig. 7 is the overview diagram of the 2nd switch mode of the frame per second of expression present embodiment;
Fig. 8 is the overview diagram of the 3rd switch mode of the frame per second of expression present embodiment;
Fig. 9 is the overview diagram of the 4th switch mode of the frame per second of expression present embodiment;
Figure 10 is the overview diagram of the 5th switch mode of the frame per second of expression present embodiment.
Embodiment
With reference to the accompanying drawings, embodiments of the present invention are described.
A. the formation of execution mode
Fig. 1 is the block diagram of the structure of the filming apparatus (digital camera) of expression embodiments of the present invention.In Fig. 1, image input part 1 is made of the optical system of lens etc., capturing element etc., (for example, 300fps), obtains photographic images, provides it to frame buffer 2 according to maximum frame per second.Frame buffer 2 is formed by the ring-type buffer, in turn the photographic images that obtains from image input part 1 is carried out caching process.
Continuous shooting speed alter operation portion 3 is formed by the operating parts that is arranged at the ring-type on every side of placing lensed lens barrel, is rotated by operating parts this ring-type, for example, and as 30fps, 150fps, 300fps, change indication continuous shooting speed (video recording frame per second).If frame period extracts the state of configuration part 4 corresponding to continuous shooting speed alter operation portion 3, detect the continuous shooting speed of indication at present, then from certain photographic images constantly, extract (extraction yield at interval) according to obtaining at interval of certain degree, set the situations such as frame period extraction information whether expression takes out the photographic images etc. of buffer memory in frame buffer 2.
Frame period extracts handling part 5 and extracts information according to extract the frame period of setting configuration part 4 by frame period, in the photographic images in being stored in frame buffer 2, review with the stipulated time, according to the rules obtain to extract at interval taken out photographic images, provides it to image compression portion 6.Image compression portion 6 compression/decompression processes device according to the rules, the photographic images that takes out from frame buffer 2 extracting handling part 5 by frame period carries out compressed encoding to be handled, and provides it to file formation portion 7.File formation portion 7 will be transformed to the file of dynamic image form through the photographic images of compressed encoding, provide it to storage medium 8.Storage medium 8 is by internal memory, or external memory storage constitutes the preservation dynamic image file.
Below, Fig. 2 is the overview diagram of the structure of the frame buffer 2 of the filming apparatus of expression present embodiment.Frame buffer 2 keeps cache size x, buffer memory original position y, and buffer memory frame number m, buffer memory initial frame number n, and preserve the photographic images that obtains from image input part 1, i.e. frame in turn.This frame buffer 2 when the frame of image input part 1 takes place, is preserved the indicating device of frame, that is, and and buffer original position (present concern position) y.The big or small x of frame buffer 2 has from the alter operation of the continuous shooting speed of user operation and reviews the frame number that the time when changing frame per second is above constantly.
Below, Fig. 3 extracts the overview diagram of the structure of information for the frame period of the filming apparatus of expression present embodiment.Frame period extracts information and is made of the ring type buffer, preservation information size s, information original position (present concern position) t, information content j, and when the alter operation of the continuous shooting speed of user operation, preserve the photographic images of representing according to sometime in turn, switching frame number that extracts at interval and the extraction at interval of obtaining that comes from this frame number are obtained in change.Obtain extraction at interval maximum frame per second (not extracting at interval) is made as " 1 ", if frame per second is 1/10th, then according to the mode of " 10 ", expression is extracted from the interval of frame buffer 2 acquisitions.Information size s can review the size that changes in the time more than the number of times of operating for according to the mode of dealing carefully with that does not have the operation information record.
In illustrated embodiment, provide in the scope of frame number " 1 "～" 1499 ", obtain according to 1/10th, in the scope of frame number " 1500 "～" 2999 ", obtain according to 1/1st (maximum frame per second), in the scope of frame number " 3000 "～" 4499 ", obtain according to 1/2nd, from frame number " 4500 ", obtain according to 1/10th.
B. the work of execution mode
Work to the filming apparatus of described execution mode describes below.
Fig. 4 and Fig. 5 are the flow chart (working procedure) that is used to illustrate the filming apparatus work of present embodiment.In addition, the video recording frame per second of this filming apparatus is by user's operation of continuous shooting speed alter operation portion 3, and changeable is 30fps, 150fps, 300fps.In addition, in frame buffer 2, can preserve photographic images (frame), in video recording,, according to 1/2nd, frame be carried out the interval extract processing,, carry out image Compression, form file its taking-up with 150fps according to 1/10th according to 30fps according to 300fps.In addition, the frame per second during regeneration is 30fps, and the video recording of 30fps is actual video recording speed.In addition, corresponding to user's operation, the time of reviewing when changing frame per second is 1 second.
At first, filming apparatus is as initial setting, and making the video recording frame per second is 30fps, and the information original position t that makes frame period extract information is 1, and making and obtaining the interval extraction is 10 (1/1) (step S10).Then, filming apparatus begins dynamic image shooting, the generation of waiting event (step S12).This incident is whenever by image input part 1, takes place when obtaining the image (shooting) of 1 frame amount, even and in image input part 1, do not carry out when the stipulated time, still taking place under the situation about obtaining of image.Its reason is: finish from the shooting of indication dynamic image, can handle the remaining frame that is stored in the frame buffer 2.In addition, if the generation incident, then whether filming apparatus obtains frame and judges (step S14) in image input part 1.Then, if get access to frame, then filming apparatus is stored in (step S16) in the frame buffer 2 with it.
On the other hand, in the occasion that does not get access to frame, or after the preservation of frame buffer 2, whether filming apparatus is arranged in frame buffer 2 to the frame before 1 second is judged (step 18).That is, whether the frame of filming apparatus corresponding record is stored in the frame buffer 2 and judges.Then, the frame before 1 second is not arranged under frame buffer 2 occasions, owing to the frame that does not have to obtain, therefore carries out step S30 described later same as before.
In addition, the occasion of framing bit before 1 second in frame buffer 2, filming apparatus is at following step S20～S28, according to obtain extract at interval take out the frame that is stored in the frame buffer 2 in turn in, carry out image compression and form file process, if the frame number that is taken out extracts more than the switching frame number of information at frame period, then carry out being transformed to the action of switching the corresponding value of frame number with next with obtaining to extract at interval.
At first, filming apparatus obtains next frame (step S20) from frame buffer 2, and it is carried out image Compression, forms file (step S22).Then, whether filming apparatus judges (step S24) to frame number more than the frame period of next reference extracts the switching number of information.That is, filming apparatus switches frame number when above at the buffer memory original position y of frame buffer 2 at next, and the information reference position (information original position t) that must make frame period extract the switching frame number of information advances 1.
Then, on the other hand, do not extract occasion more than the switching frame number of information at frame number at the frame period of next reference, because the information reference position that filming apparatus needn't make frame period extract the switching frame number of information advances 1, therefore according to extracting, upgrade (step S28) with identical up till now obtaining at interval of information reference position.For example, if present frame number is " 1491 ", the switching frame number that the frame period of next reference extracts information is " 1500 ", is " 10 " if present obtaining extracted at interval, and then the frame number that obtains next time is " 1501 ".
On the other hand, in the occasion of frame number more than the switching frame number of the frame period extraction information of next reference, filming apparatus makes information original position t go forward one by one (step S26) according to 1, extracts according to obtaining at interval of new information reference position, and the frame number that obtained next time upgrades (step S28).For example, present frame number is " 1501 ", and the switching frame number that the frame period of next reference extracts information be " 3000 ", is " 1 " (with reference to Fig. 3 the most descending) if present obtaining extracted at interval, and then the frame number of acquisition next time is " 1502 ".
Then, whether alter operation is judged (step S30) to filming apparatus to the frame per second of user operation.In addition, in the occasion of the frame per second alter operation of user operation, filming apparatus upgrades frame period extraction information at following step S32～S38.
At first, the filming apparatus switching frame number that makes frame period extract information is the final frame number (up-to-date frame obtains the position) (step S32) of frame buffer 2.If for example, the final frame number of frame buffer 2 is 1800, and the switching frame number that then new frame period extracts information is " 1800 ".Then, whether filming apparatus is that (step S34) judged in the change of frame per second faster to the alter operation of frame per second.Then, at the alter operation of frame per second is the occasion of the change of frame per second faster, for example, in the occasion that becomes 300fps from 30fps, the switching frame number that filming apparatus extracts information with frame period becomes 1500 (=1800-300) (step S36) before 1 second, make to obtain at interval and extract, frame period extraction information is upgraded (step S38) to " 1 ".
It is the switching frame number that frame period extracts information that the occasion that does not have the frame (that is, final frame number is below 300) of 1 second amount in frame buffer 2, filming apparatus make the initial frame number of frame buffer.In addition, even it is from 30fps to 150fps, under the situation of the change from 150fps to 300fps, identical with the change from 30fps to 300fps, the switching frame number that filming apparatus makes frame period extract information be 1500 before 1 second (=1800-300), make to obtain and extract " 2 " or " 1 " respectively at interval.
On the other hand, at the alter operation of frame per second is not the occasion of the change of frame per second faster, for example, become the occasion of 150fps, 30fps from 300fps, become the occasion of 30fps from 150fps, the switching frame number that filming apparatus makes frame period extract information is the final frame number " 1800 " of frame buffer same as before, makes to obtain at interval to extract to " 2 " or " 10 ", and frame period extraction information is upgraded (step S38).Here, the user that filming apparatus adopts the purpose of the final frame number of frame buffer 2 to be in the frame per second change same as before operates constantly, changes frame per second, so that the moment of decision is not reviewed according to 30fps does not take.
Then, after the frame period of the frame per second alter operation of following the user to operate extracts the renewal processing of information, or there is not an occasion of the frame per second alter operation that the user operates, filming apparatus carries out other video record processing (step S40), judge (step S42) to whether continuing video recording, occasion continuing video recording turns back to step S12, carries out described processing repeatedly.
On the other hand, if video recording finishes, then whether filming apparatus has frame to judge (step S44) to residual in frame buffer 2, and the residual occasion that frame is arranged turns back to step S20 in frame buffer 2, carries out described processing repeatedly.On the other hand, being does not have the residual occasion that frame is arranged in the frame buffer 2, finish this video record processing.
C. action is routine
Example to the switch mode of the frame per second of the filming apparatus of present embodiment describes below.
Fig. 6 is the overview diagram of the 1st switch mode of expression frame per second.In the 1st switch mode, it is characterized in that in operation, for example, to high speed frame per second is switched to 150fps, 300fps from 30fps from low speed by the user, or switch to the occasion of 300fps from 150fps, review time T 1 (for example, 1 second), change video recording frame per second, otherwise to low speed frame per second is being switched to 150fps, 30fps from 300fps at a high speed, or, do not review, according to real time change video recording frame per second from the occasion that 150fps switches to 30fps.
As shown in Figure 6, filming apparatus at first at moment ta1, by user's operation, switches to the occasion of 300fps when the shooting of 30fps, review time T 1, and the frame per second of will recording a video switches to 300fps.Then,,, switch to the occasion of 30fps, do not review, switch to 30fps according to the real time frame per second of will recording a video from 300fps by user's operation at moment ta2.Then, at moment ta3, by user's operation, switch to the occasion of 150fps from 30fps, still review time T 1, the frame per second of will recording a video switches to 150fps.
At moment ta4, by user operation, switch to the occasion of 300fps from 150fps, still review time T 1, the frame per second of will recording a video switches to 300fps.Then, at moment ta5, operate by the user, switch to the occasion of 150fps from 300fps, do not review, switch to 150fps according to the real time frame per second of will recording a video, at moment ta6, switch to the occasion of 30fps from 150fps, do not review, switch to 30fps according to the real time frame per second of will recording a video.
Fig. 7 is the overview diagram of the 2nd switch mode of expression frame per second.In the 2nd switch mode, operating by the user, from the occasion of low speed to the high speed switching, only review the stipulated time, the aspect that changes the video recording frame per second is identical with described the 1st switch mode, and with the difference of described the 1st switch mode be from low speed to high speed, from the arbitrarily occasion of high speed to low speed switches, all slowly change pace of change, and, change pace of change (transformation period is fixed) corresponding to the variable quantity of the continuous shooting speed of user operation.
As shown in Figure 7, filming apparatus by user's operation, from the occasion of 30fps to the switching of 300fps, is only reviewed stipulated time Ta at first at moment tb1, and the frame per second of slowly will recording a video switches to 300fps.Equally, at moment tb3, by user's operation, from the occasion of 30fps to the switching of 150fps, only review identical stipulated time Ta, the frame per second of slowly will recording a video switches to 150fps.That is, in occasion arbitrarily, transformation period is identical.
On the other hand, at moment tb2,,, switch to 30fps with the stipulated time Tb frame per second of slowly will recording a video from the occasion of 300fps to the switching of 30fps by user's operation.Equally, at moment tb4,,, switch to 30fps with the stipulated time Tb frame per second of slowly will recording a video from the occasion of 150fps to the switching of 30fps by user's operation.In occasion arbitrarily, transformation period is identical.Like this, even when frame per second being switched to actual speed video recording (30fps), still, obtain the image that from the jogging speed to the actual speed, slowly changes by slowly changing extraction yield at interval.
Fig. 8 is the overview diagram of the 3rd switch mode of expression frame per second.In the 3rd switch mode, operating by the user, from the occasion of low speed to the high speed switching, review the aspect that the stipulated time changes the video recording frame per second, and equally from low speed at a high speed, from the arbitrarily occasion of high speed to low speed, slowly change pace of change, and operate the variable quantity of continuous shooting speed corresponding to the user, the aspect that changes pace of change (transformation period is for fixing) is identical with described the 2nd switch mode, but, by user's operation,, switching the indication generation constantly from this in the occasion of indicating to switching at a high speed from low speed, review the moment of stipulated time, the aspect that does not change the video recording frame per second fast is different with the 2nd switch mode.
As shown in Figure 8, filming apparatus is operated by the user at first at moment tc1, from the occasion of 30fps, review the stipulated time (Ta1+Ta2), at time T a1 to the switching of 300fps, the frame per second of will recording a video slowly switches to 300fps, before time T a2, is fixed in 300fps.Equally, at moment tc3, by user's operation, from the occasion of 30fps to the switching of 150fps, review the identical stipulated time (Ta1+Ta2), the frame per second of will recording a video slowly switches to 150fps, before time T a2, and stuck-at-50fps.In occasion arbitrarily, transformation period is identical, in addition, by switching indication, at the appointed time before, finish switching to the high speed frame per second.
On the other hand, identical if at moment tc2 and tc4 constantly with described the 2nd switch mode, by user's operation, from 300fps to 30fps, or from 150fps when 30fps switches, according to identical stipulated time Tb, the frame per second of will recording a video slowly switches to 30fps.
Fig. 9 is the overview diagram of the 4th switch mode of expression frame per second.In the 4th switch mode, operating by the user, to the occasion of switching at a high speed, review the stipulated time from low speed, change the aspect of video recording frame per second, and equally from low speed at a high speed, to the occasion arbitrarily of low speed, the aspect that slowly changes pace of change is identical with described the 2nd switch mode from a high speed, but in addition, be to change transformation period (pace of change is fixed) with the difference of the 2nd switch mode corresponding to the variable quantity of the continuous shooting speed of user's operation.
As shown in Figure 9, filming apparatus is at first at moment td1, by user's operation, from the occasion of 30fps to the switching of 300fps, reviews stipulated time Ta3 (constituting the time by the pace of change of angle A ° expression) and the frame per second of slowly will recording a video switches to 300fps.Equally, at moment td3, by user's operation, to the occasion that 150fps switches, review the time T a4 that constitutes identical pace of change from 30fps, the frame per second of will recording a video slowly switches to 150fps.In occasion arbitrarily, pace of change is identical equally.
On the other hand, at moment td2, by user operation, the occasion of switching to 30fps from 300fps, time T b1 (constituting time) according to the rules by the pace of change of angle B ° expression, the frame per second of will recording a video slowly switches to 30fps.Equally, at moment td4, by user's operation, the occasion of from 150fps to 30fps, switching, according to the time T b2 that constitutes identical pace of change, the frame per second of will recording a video slowly switches to 30fps.In occasion arbitrarily, pace of change is identical.
Next, Figure 10 is the overview diagram of the 5th switch mode of expression frame per second.Be characterised in that the transformation period that to set the front and back of switching indication arbitrarily in the 5th switch mode.The user preestablishes from the transformation period of low speed to the front and back that switching is at a high speed indicated, from the transformation period of high speed to the front and back of the switching indication of low speed.Both can set the input real time (selection), also can set the time ratio of input front and back.
As shown in figure 10, filming apparatus is at first at moment te1, and by user's operation, from the occasion that 30fps switches to 300fps, from reviewing the moment of the time T a4 that has set, to the moment of the time T a5 that has set, the frame per second of will recording a video slowly switches to 300fps.Equally, at moment te3, by user's operation, from the occasion that 30fps switches to 150fps, from reviewing the moment of the identical time T a4 that has set, to the moment of the time T a5 that has set, the frame per second of will recording a video slowly switches to 300fps.
On the other hand, at moment te2, by user's operation, from the occasion that 300fps switches to 30fps, from reviewing the moment of the time T b1 that has set, to the moment of the time T b2 that has set, the frame per second of will recording a video slowly switches to 30fps.Equally, at moment te4, by user's operation, from the occasion that 150fps switches to 30fps, until from reviewing the moment of the identical time T b1 that has set, to the moment of the time T b2 that has set, the frame per second of will recording a video slowly switches to 30fps.
According to described execution mode, operating by the user, continuous shooting speed (video recording frame per second) is changed to occasion at a high speed from low speed, filming apparatus is from having the moment of user's operation, review the stipulated time, change the video recording frame per second at a high speed, thus, can be by the high speed dynamic image, more positively to determining moment to take.
In addition, in said embodiment, the prime in image compression is provided with frame buffer, still, also can be arranged at the back level of image compression, after compression, frame is carried out the interval extract processing.
In addition, in said embodiment, be 30fps, 150fps, 300fps, still, also can further increase the kind of changeable frame per second.
Also have, in said embodiment, the frame per second when time of being reviewed or video recording beginning is not limited to described execution mode, also can be other value.
Have, in said embodiment, also can make that the amplitude of variation of frame per second is big more in the occasion that changes frame per second at a high speed, it is long more to review the time in the past.
In addition, in said embodiment, only dynamic image is described, still, also can be the dynamic image that has sound.
Claims (12)
1. filming apparatus is characterized in that possessing:
Take the unit, in turn reference object is taken with the frame per second of regulation;
Holding unit keeps a plurality of frames of being taken in turn by described shooting unit in turn;
Designating unit corresponding to user operation, is specified the frame per second when described holding unit takes out frame;
The frame period extracting unit takes out frame with the interval extraction yield in turn from described holding unit, and this extraction yield is based on the frame per second by described designating unit appointment; With
Memory cell is carried out the dynamic image file processing to the frame that is taken out in turn by described frame period extracting unit, and with its storage,
Described frame period extracting unit from tracing back to the moment frame before of specifying change, is suitable for the interval extraction yield based on the frame per second that has changed when specifying the change of frame per second corresponding to user's operation by described designating unit.
2. filming apparatus according to claim 1 is characterized in that,
Described frame period extracting unit is from following frame, is suitable for the interval extraction yield based on the frame per second that has changed, this frame be before the stipulated time in the moment of the change of specifying frame per second by described shooting unit photographs, remain in the frame in the described holding unit,
Described holding unit keeps a plurality of frames simultaneously, and these a plurality of frames comprise the frame from the frame taken by described shooting unit to nearest shooting at least before the described stipulated time.
3. filming apparatus according to claim 2 is characterized in that,
Described frame period extracting unit is carried out following processing, and this is handled the shooting time based on the frame of described shooting unit, with the time more than postponing the described stipulated time, takes out frame from described holding unit.
4. filming apparatus according to claim 3 is characterized in that,
Described frame period extracting unit after the shooting of a plurality of frames of using based on the dynamic image of described shooting unit finishes, to remain in whole frames in the described holding unit till handling during, proceed the taking-up of frame and handle.
5. filming apparatus according to claim 1 is characterized in that,
Even carried out the change based on the frame per second of described designating unit, described shooting unit is also proceeded can be by the shooting of the frame per second more than the fastest frame per second of described designating unit appointment.
6. filming apparatus according to claim 1 is characterized in that,
Described frame period extracting unit, when changing frame per second by described designating unit corresponding to user's operation, begin from the frame before tracing back to change constantly till the change frame constantly during, the interval extraction yield slowly is altered to interval extraction yield based on after changing frame per second from the interval extraction yield based on before changing frame per second.
7. filming apparatus according to claim 1 is characterized in that,
Described frame period extracting unit, when changing frame per second by described designating unit corresponding to user's operation, from tracing back to change moment frame before, the interval extraction yield slowly is altered to interval extraction yield based on after changing frame per second from the interval extraction yield based on before changing frame per second, and the frame place of the stipulated time before described change constantly becomes the interval extraction yield based on after changing frame per second.
8. filming apparatus according to claim 6 is characterized in that,
Described frame period extracting unit makes from the time that described change is reviewed constantly irrelevant with the size of operating the frame per second that is changed by described designating unit corresponding to described user, is fixed value.
9. filming apparatus according to claim 6 is characterized in that,
Described frame period extracting unit, make frame before tracing back to described change constantly till the described change frame constantly during the pace of change of interval extraction yield, with irrelevant by the size of the frame per second of described designating unit change, be fixed value by described user's operation.
10. filming apparatus according to claim 6 is characterized in that,
Also possess setup unit, this setup unit by described frame period extracting unit, is set the start frame and the end frame that are suitable for based on the interval extraction yield of the frame per second that has changed when changing frame per second corresponding to user's operation by described designating unit.
11. filming apparatus according to claim 1 is characterized in that,
Described frame period extracting unit, when being altered to high frame per second by described designating unit from hanging down frame per second corresponding to user's operation, from tracing back to change moment frame before, be suitable for interval extraction yield based on the frame per second that has changed, on the other hand, corresponding to user operation by described designating unit when high frame frame is altered to low frame per second, from change frame per second constantly, be suitable for interval extraction yield based on the frame per second that has changed.
12. a variable speed imaging method is characterized in that, comprising:
Frame per second step that reference object is taken in turn with regulation;
The step that keeps described a plurality of frames of taking in turn in turn;
Corresponding to user operation, specify the step of the frame per second when taking out the described frame that has kept;
With the interval extraction yield based on the frame per second of described appointment, the step of taking out the described frame that has kept in turn;
The described frame that takes out is in turn carried out the dynamic image file processing, and with the step of its storage; With
When operating the change of specifying frame per second corresponding to the user,, be suitable for step based on the interval extraction yield of the frame per second that has changed from tracing back to the moment frame before of specifying change.
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| JP2008-253745 | 2008-09-30 | ||
| JP2008253745A JP2010087778A (en) | 2008-09-30 | 2008-09-30 | Imaging apparatus, variable speed imaging method, and program |
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| EP (1) | EP2182719B1 (en) |
| JP (1) | JP2010087778A (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI380683B (en) | 2012-12-21 |
| KR20100036964A (en) | 2010-04-08 |
| TW201029454A (en) | 2010-08-01 |
| EP2182719B1 (en) | 2011-11-09 |
| JP2010087778A (en) | 2010-04-15 |
| EP2182719A3 (en) | 2010-05-26 |
| EP2182719A2 (en) | 2010-05-05 |
| US20100079620A1 (en) | 2010-04-01 |
| ATE533303T1 (en) | 2011-11-15 |
| KR101069623B1 (en) | 2011-10-05 |
| US8314856B2 (en) | 2012-11-20 |
| CN101815168B (en) | 2012-05-09 |
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